netdev - [RFC v6 6/6] VSOCK: Add Makefile and Kconfig

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Date:	Thu, 28 Jul 2016 15:36:35 +0100
From:	Stefan Hajnoczi <stefanha@...hat.com>
To:	kvm@...r.kernel.org
Cc:	netdev@...r.kernel.org, "Michael S. Tsirkin" <mst@...hat.com>,
	Matt Benjamin <mbenjamin@...hat.com>,
	Christoffer Dall <christoffer.dall@...aro.org>,
	Alex Bennée <alex.bennee@...aro.org>,
	marius vlad <marius.vlad0@...il.com>, areis@...hat.com,
	Claudio Imbrenda <imbrenda@...ux.vnet.ibm.com>,
	Greg Kurz <gkurz@...ux.vnet.ibm.com>,
	Ian Campbell <ian.campbell@...ker.com>, ggarcia@...a.uab.cat,
	virtualization@...ts.linux-foundation.org,
	Asias He <asias@...hat.com>,
	Stefan Hajnoczi <stefanha@...hat.com>
Subject: [RFC v6 6/6] VSOCK: Add Makefile and Kconfig

From: Asias He <asias@...hat.com>

Enable virtio-vsock and vhost-vsock.

Signed-off-by: Asias He <asias@...hat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@...hat.com>
---
v6:
 * Rename to virtio-vsock kernel modules to vmw_vsock_virtio_transport*
   instead of just virtio_transport to make the name clearer [Ian
   Campbell]
v4:
 * Make checkpatch.pl happy with longer option description
 * Clarify dependency on virtio rather than QEMU as suggested by Alex
   Bennee
v3:
 * Don't put vhost vsock driver into staging
 * Add missing Kconfig dependencies (Arnd Bergmann <arnd@...db.de>)
---
 drivers/vhost/Kconfig  | 15 +++++++++++++++
 drivers/vhost/Makefile |  4 ++++
 net/vmw_vsock/Kconfig  | 20 ++++++++++++++++++++
 net/vmw_vsock/Makefile |  6 ++++++
 4 files changed, 45 insertions(+)

diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
index 533eaf0..d7aae9e 100644
--- a/drivers/vhost/Kconfig
+++ b/drivers/vhost/Kconfig
@@ -21,6 +21,21 @@ config VHOST_SCSI
 	Say M here to enable the vhost_scsi TCM fabric module
 	for use with virtio-scsi guests
 
+config VHOST_VSOCK
+	tristate "vhost virtio-vsock driver"
+	depends on VSOCKETS && EVENTFD
+	select VIRTIO_VSOCKETS_COMMON
+	select VHOST
+	select VHOST_RING
+	default n
+	---help---
+	This kernel module can be loaded in the host kernel to provide AF_VSOCK
+	sockets for communicating with guests.  The guests must have the
+	virtio_transport.ko driver loaded to use the virtio-vsock device.
+
+	To compile this driver as a module, choose M here: the module will be called
+	vhost_vsock.
+
 config VHOST_RING
 	tristate
 	---help---
diff --git a/drivers/vhost/Makefile b/drivers/vhost/Makefile
index e0441c3..6b012b9 100644
--- a/drivers/vhost/Makefile
+++ b/drivers/vhost/Makefile
@@ -4,5 +4,9 @@ vhost_net-y := net.o
 obj-$(CONFIG_VHOST_SCSI) += vhost_scsi.o
 vhost_scsi-y := scsi.o
 
+obj-$(CONFIG_VHOST_VSOCK) += vhost_vsock.o
+vhost_vsock-y := vsock.o
+
 obj-$(CONFIG_VHOST_RING) += vringh.o
+
 obj-$(CONFIG_VHOST)	+= vhost.o
diff --git a/net/vmw_vsock/Kconfig b/net/vmw_vsock/Kconfig
index 14810ab..8831e7c 100644
--- a/net/vmw_vsock/Kconfig
+++ b/net/vmw_vsock/Kconfig
@@ -26,3 +26,23 @@ config VMWARE_VMCI_VSOCKETS
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called vmw_vsock_vmci_transport. If unsure, say N.
+
+config VIRTIO_VSOCKETS
+	tristate "virtio transport for Virtual Sockets"
+	depends on VSOCKETS && VIRTIO
+	select VIRTIO_VSOCKETS_COMMON
+	help
+	  This module implements a virtio transport for Virtual Sockets.
+
+	  Enable this transport if your Virtual Machine host supports Virtual
+	  Sockets over virtio.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called vmw_vsock_virtio_transport. If unsure, say N.
+
+config VIRTIO_VSOCKETS_COMMON
+	tristate
+	help
+	  This option is selected by any driver which needs to access
+	  the virtio_vsock.  The module will be called
+	  vmw_vsock_virtio_transport_common.
diff --git a/net/vmw_vsock/Makefile b/net/vmw_vsock/Makefile
index 2ce52d7..bc27c70 100644
--- a/net/vmw_vsock/Makefile
+++ b/net/vmw_vsock/Makefile
@@ -1,7 +1,13 @@
 obj-$(CONFIG_VSOCKETS) += vsock.o
 obj-$(CONFIG_VMWARE_VMCI_VSOCKETS) += vmw_vsock_vmci_transport.o
+obj-$(CONFIG_VIRTIO_VSOCKETS) += vmw_vsock_virtio_transport.o
+obj-$(CONFIG_VIRTIO_VSOCKETS_COMMON) += vmw_vsock_virtio_transport_common.o
 
 vsock-y += af_vsock.o vsock_addr.o
 
 vmw_vsock_vmci_transport-y += vmci_transport.o vmci_transport_notify.o \
 	vmci_transport_notify_qstate.o
+
+vmw_vsock_virtio_transport-y += virtio_transport.o
+
+vmw_vsock_virtio_transport_common-y += virtio_transport_common.o
-- 
2.7.4